131044111 has 4 divisors (see below), whose sum is σ = 142957224. Its totient is φ = 119131000.

The previous prime is 131044103. The next prime is 131044129. The reversal of 131044111 is 111440131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111440131 = 11 ⋅10130921.

It is a cyclic number.

It is not a de Polignac number, because 131044111 - 2³ = 131044103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131044811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5956540 + ... + 5956561.

It is an arithmetic number, because the mean of its divisors is an integer number (35739306).

Almost surely, 2^131044111 is an apocalyptic number.

131044111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131044111 is a deficient number, since it is larger than the sum of its proper divisors (11913113).

131044111 is a wasteful number, since it uses less digits than its factorization.

131044111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11913112.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 131044111 is about 11447.4499780519. The cubic root of 131044111 is about 507.9323062195.

Adding to 131044111 its reverse (111440131), we get a palindrome (242484242).

The spelling of 131044111 in words is "one hundred thirty-one million, forty-four thousand, one hundred eleven".